Minced oath of old

• Old-school OMG
• Quaint oath
• Word of surprise
• Quaint cry of surprise
• "Oh bother!"
• Posh word of surprise
• Old exclamation

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Egad \E*gad"\, interj. [Euphemistic corruption of the oath, ``by God.''] An exclamation expressing exultation or surprise, etc.

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1670s, I gad , a softened oath, second element God , first uncertain; perhaps it represents exclamation ah .

Wikipedia Word definitions in Wikipedia
EGAD may refer to: Embryonic GAD , the GAD25 and GAD44 forms of the enzyme glutamate decarboxylase. the ICAO code for Newtownards Airport in Northern Ireland.